SSDJ-ZL-*F/C-LQ gas safety shut-off valve
SSDJ-ZL-*F/C-LQ series gas safety shut-off valve is applicable to pressure regulating device of off-take station of long-distance natural gas pipeline, pressure regulating device of self-used gas in station and safety protection device of urban gas pressure regulating station.
About this product
Product information from the supplier.
Natural gas, coal gas, liquefied petroleum gas and other non-corrosive gases.
♦Valve body straight-through (axial flow) large flow, low noise, flow rate <50m/s, noise <80dB
♦The top-mounted structure can be repaired online, and the valve body can be replaced without removing the valve body
♦Self-operated overpressure shut-off and self-operated under-voltage shut-off are standard configurations
♦Easy to install in any position
♦High shut-off precision
♦Pressure can be controlled at one or more points in the system
Implementation standard | EN 14382 ,Q/12WQ 5192 |
Nominal pressure | CLass150 ~ CLass900 ( 2.0MPa - 15MPa ) |
Nominal size | DN25 ~ DN400 (NPS1” ~ NPS 16° ) |
Connection mode | ANSIB16.5 RF, RTJ Flange ANSIB16.5 RF, RTJ |
Design temperature | -29°C ~ 60°C ; -46°C ~ 60°C |
Shut-off precision | +1% (AG1),+2.5% (AG2.5) ,+5% (AG5 ) |
Operating pressure range | 0.05-8MPa |
Caliber |
Pressure Rating Flange Model | L mm | L1 mm | L2 mm | d1 mm | d2 mm | h mm | R Ring No. R |
Connecting bolt | |
Specifications |
Quantity | |||||||||
DN25/1” | Class150 RF | 170 | 2 | 12.7 | 110 | 79.4 | 330 | - | M14 | 4 |
Class300 RF | 170 | 2 | 15.5 | 125 | 88.9 | 370 | - | M16 | 4 | |
Class600 RF | 182 | 7 | 17.5 | 125 | 88.9 | 370 | - | M16 | 4 | |
Class900 RTJ | 257 | 6.35 | 28.6 | 150 | 101.6 | 507 | 16 | M24 | 4 | |
DN50/2” | Class150 RF | 230 | 2 | 17.5 | 150 | 120.7 | 360 | - | M16 | 4 |
Class300 RF | 230 | 2 | 20.4 | 165 | 127 | 410 | - | M16 | 8 | |
Class600 RF | 250 | 7 | 25.4 | 165 | 127 | 420 | - | M16 | 8 | |
Class900 RTJ | 368 | 7.92 | 38.1 | 215 | 165.1 | 565 | 24 | M24 | 8 | |
DN80/3” | Class150 RF | 280 | 2 | 22.3 | 190 | 152.4 | 420 | - | M16 | 4 |
Class300 RF | 290 | 2 | 27 | 210 | 168.3 | 460 | - | M20 | 8 | |
Class600 RF | 310 | 7 | 31.8 | 210 | 168.3 | 460 | - | M20 | 8 | |
Class900 RTJ | 381 | 7.92 | 38.1 | 240 | 190.5 | 605 | 31 | M24 | 8 | |
DN100/4” | Class150 RF | 320 | 2 | 22.3 | 230 | 190.5 | 460 | - | M16 | 8 |
Class300 RF | 330 | 2 | 30.2 | 255 | 200 | 500 | - | M20 | 8 | |
Class600 RF | 350 | 7 | 38.1 | 275 | 215.9 | 510 | - | M24 | 8 | |
Class900 RTJ | 457 | 7.92 | 44.5 | 290 | 235 | 760 | 37 | M30 | 8 | |
DN150/6” | Class150 RF | 430 | 2 | 23.9 | 280 | 241.3 | 720 | - | M20 | 8 |
Class300 RF | 440 | 2 | 35 | 320 | 269.9 | 720 | - | M20 | 12 | |
Class600 RF | 470 | 7 | 47.7 | 355 | 292.1 | 730 | - | M27 | 12 | |
Class900 RTJ | 610 | 7.92 | 55.6 | 380 | 317.5 | 745 | 45 | M30 | 12 | |
DN200/8” | Class150 RF | 725 | 2 | 27.0 | 345 | 298.5 | 750 | - | M20 | 8 |
Class300 RF | 725 | 2 | 39.7 | 380 | 330.2 | 760 | - | M24 | 12 | |
Class600 RF | 725 | 7 | 55.6 | 420 | 349.2 | 770 | - | M30 | 12 | |
Class900 RTJ | 813 | 7.92 | 63.5 | 470 | 393.7 | 800 | 49 | M36*3 | 12 | |
DN250/10” | Class300 RF | 775 | 2 | 46.1 | 445 | 387.4 | 850 | - | M27 | 16 |
Class600 RF | 775 | 7 | 63.5 | 510 | 431.8 | 840 | - | M33 | 16 | |
Class900 RTJ | 841 | 7.92 | 69.9 | 545 | 469.9 | 860 | 53 | M36*3 | 16 | |
DN300/12” | Class300 RF | 850 | 2 | 49.3 | 520 | 450.8 | 890 | - | M30 | 16 |
Class600 RF | 900 | 7 | 66.7 | 560 | 489 | 900 | - | M33 | 20 | |
Class900 RTJ | 968 | 7.92 | 79.4 | 610 | 533.4 | 930 | 57 | M36*3 | 20 | |
DN400/16” | Class300 RF | 1057 | 2 | 55.6 | 650 | 571.5 | 1220 | - | M33 | 20 |
Class600 RF | 1108 | 7 | 76.2 | 685 | 603.2 | 1234 | - | M39*3 | 20 | |
Class900 RTJ | 1130 | 11.13 | 88.9 | 705 | 616 | 1234 | 66 | M42*3 | 20 | |



